/Engine/Plugins/Experimental/Mutable/Source/CustomizableObjectEditor/Classes/MuCOE/EdGraphSchema_CustomizableObject.h
Determine if a connection can be created between two pins.
An empty string if the connection is legal, otherwise a message describing why the connection would fail.
virtual const [FPinConnectionResponse](API\Runtime\Engine\EdGraph\FPinConnectionResponse) CanCreateConnection ( const [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * A, const [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * B ) const